{ "ocl_version": "0.1.0", "name": "Sonnberg", "slug": "sonnberg-6", "confidence": "B", "reported_claims": [], "ladder": [ { "window_m": 2.0, "max_gradient_pct": 35.692094750254455, "diagnostic": true, "flags": [], "start_distance_m": 1503.0, "end_distance_m": 1505.0, "start_elevation_m": 1277.8027910621524, "end_elevation_m": 1278.5166329571575, "min_gradient_pct": -2.6077445877035643 }, { "window_m": 3.0, "max_gradient_pct": 33.633838786742366, "diagnostic": true, "flags": [], "start_distance_m": 1502.0, "end_distance_m": 1505.0, "start_elevation_m": 1277.5076177935553, "end_elevation_m": 1278.5166329571575, "min_gradient_pct": -0.7789978053854915 }, { "window_m": 5.0, "max_gradient_pct": 30.11448397796812, "diagnostic": false, "flags": [], "start_distance_m": 1502.0, "end_distance_m": 1507.0, "start_elevation_m": 1277.5076177935553, "end_elevation_m": 1279.0133419924537, "min_gradient_pct": 1.368650465801693 }, { "window_m": 10.0, "max_gradient_pct": 23.325723542375272, "diagnostic": false, "flags": [], "start_distance_m": 1502.0, "end_distance_m": 1512.0, "start_elevation_m": 1277.5076177935553, "end_elevation_m": 1279.8401901477928, "min_gradient_pct": 2.7922825084920078 }, { "window_m": 20.0, "max_gradient_pct": 20.36520332666214, "diagnostic": false, "flags": [], "start_distance_m": 1502.0, "end_distance_m": 1522.0, "start_elevation_m": 1277.5076177935553, "end_elevation_m": 1281.5806584588877, "min_gradient_pct": 5.056594380519073 }, { "window_m": 25.0, "max_gradient_pct": 19.42700448323012, "diagnostic": false, "flags": [], "start_distance_m": 1502.0, "end_distance_m": 1527.0, "start_elevation_m": 1277.5076177935553, "end_elevation_m": 1282.3643689143628, "min_gradient_pct": 5.909805412496098 }, { "window_m": 50.0, "max_gradient_pct": 16.796757660739786, "diagnostic": false, "flags": [], "start_distance_m": 1502.0, "end_distance_m": 1552.0, "start_elevation_m": 1277.5076177935553, "end_elevation_m": 1285.9059966239251, "min_gradient_pct": 6.154531810993376 }, { "window_m": 100.0, "max_gradient_pct": 15.081512718408703, "diagnostic": false, "flags": [ "canopy_or_structure" ], "start_distance_m": 1463.0, "end_distance_m": 1563.0, "start_elevation_m": 1272.5471118547957, "end_elevation_m": 1287.6286245732044, "min_gradient_pct": 7.380312926026136 } ], "shape": { "ascent_concentration": 0.288, "concentration_window_frac": 0.25, "longest_pitch_10pct_m": 363.0, "shape_class": "sustained" }, "length_m": 1586.3852797051802, "start_elevation_m": 1111.2603248159248, "end_elevation_m": 1290.5369939193388, "endpoint_gain_m": 179.27666910341395, "overall_gradient_pct": 11.300953897954184, "accumulated_ascent_m": 179.3664685890326, "window_maxima": { "max_5m": { "gradient_pct": 30.11448397796812, "start_distance_m": 1502.0, "end_distance_m": 1507.0, "midpoint_distance_m": 1504.5, "start_elevation_m": 1277.5076177935553, "end_elevation_m": 1279.0133419924537, "start_xy": [ 4602066.534748183, 2681674.473336088 ], "end_xy": [ 4602065.585573263, 2681679.3824161417 ] }, "max_10m": { "gradient_pct": 23.325723542375272, "start_distance_m": 1502.0, "end_distance_m": 1512.0, "midpoint_distance_m": 1507.0, "start_elevation_m": 1277.5076177935553, "end_elevation_m": 1279.8401901477928, "start_xy": [ 4602066.534748183, 2681674.473336088 ], "end_xy": [ 4602064.311572245, 2681684.1371605867 ] }, "max_20m": { "gradient_pct": 20.36520332666214, "start_distance_m": 1502.0, "end_distance_m": 1522.0, "midpoint_distance_m": 1512.0, "start_elevation_m": 1277.5076177935553, "end_elevation_m": 1281.5806584588877, "start_xy": [ 4602066.534748183, 2681674.473336088 ], "end_xy": [ 4602057.885145433, 2681691.7937023467 ] }, "max_25m": { "gradient_pct": 19.42700448323012, "start_distance_m": 1502.0, "end_distance_m": 1527.0, "midpoint_distance_m": 1514.5, "start_elevation_m": 1277.5076177935553, "end_elevation_m": 1282.3643689143628, "start_xy": [ 4602066.534748183, 2681674.473336088 ], "end_xy": [ 4602053.526269188, 2681694.2432324816 ] }, "max_50m": { "gradient_pct": 16.796757660739786, "start_distance_m": 1502.0, "end_distance_m": 1552.0, "midpoint_distance_m": 1527.0, "start_elevation_m": 1277.5076177935553, "end_elevation_m": 1285.9059966239251, "start_xy": [ 4602066.534748183, 2681674.473336088 ], "end_xy": [ 4602031.449504639, 2681705.9595588115 ] }, "max_100m": { "gradient_pct": 15.081512718408703, "start_distance_m": 1463.0, "end_distance_m": 1563.0, "midpoint_distance_m": 1513.0, "start_elevation_m": 1272.5471118547957, "end_elevation_m": 1287.6286245732044, "start_xy": [ 4602075.094742564, 2681636.513516724 ], "end_xy": [ 4602021.617616247, 2681710.892506273 ] } }, "window_minima": { "min_5m": { "gradient_pct": 1.368650465801693, "start_distance_m": 288.0, "end_distance_m": 293.0, "midpoint_distance_m": 290.5, "start_elevation_m": 1141.0318639666846, "end_elevation_m": 1141.1002964899747, "start_xy": [ 4602420.369603314, 2680856.1207616916 ], "end_xy": [ 4602417.359132427, 2680858.8445382784 ] }, "min_10m": { "gradient_pct": 2.7922825084920078, "start_distance_m": 1347.0, "end_distance_m": 1357.0, "midpoint_distance_m": 1352.0, "start_elevation_m": 1259.7281267643737, "end_elevation_m": 1260.0073550152229, "start_xy": [ 4602031.92292859, 2681612.2000879026 ], "end_xy": [ 4602040.889037377, 2681614.5710234456 ] }, "min_20m": { "gradient_pct": 5.056594380519073, "start_distance_m": 1342.0, "end_distance_m": 1362.0, "midpoint_distance_m": 1352.0, "start_elevation_m": 1259.365253889137, "end_elevation_m": 1260.3765727652408, "start_xy": [ 4602032.5053655105, 2681607.234127045 ], "end_xy": [ 4602045.685409471, 2681613.177490128 ] }, "min_25m": { "gradient_pct": 5.909805412496098, "start_distance_m": 1342.0, "end_distance_m": 1367.0, "midpoint_distance_m": 1354.5, "start_elevation_m": 1259.365253889137, "end_elevation_m": 1260.842705242261, "start_xy": [ 4602032.5053655105, 2681607.234127045 ], "end_xy": [ 4602050.387550908, 2681611.4775295686 ] }, "min_50m": { "gradient_pct": 6.154531810993376, "start_distance_m": 58.0, "end_distance_m": 108.0, "midpoint_distance_m": 83.0, "start_elevation_m": 1117.0139659975557, "end_elevation_m": 1120.0912319030524, "start_xy": [ 4602480.688080737, 2680640.385465021 ], "end_xy": [ 4602461.6357435025, 2680686.5332617564 ] }, "min_100m": { "gradient_pct": 7.380312926026136, "start_distance_m": 45.0, "end_distance_m": 145.0, "midpoint_distance_m": 95.0, "start_elevation_m": 1116.0277135189192, "end_elevation_m": 1123.4080264449453, "start_xy": [ 4602483.437986822, 2680628.3181023793 ], "end_xy": [ 4602450.866073473, 2680721.906035303 ] } }, "diagnostic_window_maxima": { "max_2m": { "gradient_pct": 35.692094750254455, "start_distance_m": 1503.0, "end_distance_m": 1505.0, "midpoint_distance_m": 1504.0, "start_elevation_m": 1277.8027910621524, "end_elevation_m": 1278.5166329571575, "start_xy": [ 4602066.344913199, 2681675.4551520986 ], "end_xy": [ 4602065.965243231, 2681677.41878412 ] }, "max_3m": { "gradient_pct": 33.633838786742366, "start_distance_m": 1502.0, "end_distance_m": 1505.0, "midpoint_distance_m": 1503.5, "start_elevation_m": 1277.5076177935553, "end_elevation_m": 1278.5166329571575, "start_xy": [ 4602066.534748183, 2681674.473336088 ], "end_xy": [ 4602065.965243231, 2681677.41878412 ] } }, "diagnostic_note": "Windows <=3 m are at raster-noise scale (1-sigma raster noise alone is roughly +/-7 pp at 2 m and +/-5 pp at 3 m on a 1 m DTM). Diagnostic use only: never a headline or ranking value.", "quality_summary": { "overhead_obstruction": { "obstruction_threshold_m": 2.0, "obstructed_fraction": 0.112, "obstruction_max_height_m": 15.76, "flagged_windows_m": [ 100 ] }, "review": [], "extent": [ "may_start_earlier", "may_continue_beyond_end" ] }, "provenance": { "analysis_version": "0.1.0", "sample_interval_m": 1.0, "interpolation": "bilinear", "smoothing": "none", "gradient_windows_m": [ 5.0, 10.0, 20.0, 25.0, 50.0, 100.0 ], "diagnostic_windows_m": [ 2.0, 3.0 ], "elevation_crs": "EPSG:3035", "elevation_resolution_m": 1.0, "elevation_tiles": [ "data/cache/at/bev-als_dtm_E4601-N2681.tif", "data/cache/at/bev-als_dtm_E4602-N2680.tif", "data/cache/at/bev-als_dtm_E4602-N2681.tif" ], "calculated_at": "2026-09-12T23:46:44+00:00", "road_source": "OpenStreetMap (local PBF extract)", "road_attribution": "\u00a9 OpenStreetMap contributors, ODbL", "osm_pbf_path": "data/cache/pbf/austria-2026-09-11-batch-at-run4-260912.osm.pbf", "osm_snapshot": "", "run_id": "at-run4-260912", "elevation_provider": "BEV ALS DTM 1 m", "elevation_licence": "Creative Commons Attribution 4.0 (CC BY 4.0) \u2014 \u00a9 BEV / L\u00e4nder, data.gv.at", "elevation_dataset": "ALS DTM H\u00f6henraster 1 m (Bundesamt f\u00fcr Eich- und Vermessungswesen with the L\u00e4nder), EPSG:3035", "elevation_tile_ids": [ "E4601-N2681", "E4602-N2680", "E4602-N2681" ], "elevation_blocks": [ "N2650000E4600000@2022-09-15" ], "climb_origin": "discovered", "license": "ODbL-1.0", "license_url": "https://howsteep.org/licensing" }, "area": { "place": "Wei\u00dfpriach", "county": "Salzburg", "source": "OpenStreetMap administrative boundaries (\u00a9 OpenStreetMap contributors, ODbL)" } }